[jQuery] Re: jquery .noconflict

hey guys - i am getting this same error on my blog (error below)?

Any one have any ideas what would be causing it ? I am
using .noconflict 100% ?

Thanks

----

[Exception... "Component returned failure code: 0x80070057
(NS_ERROR_ILLEGAL_VALUE) [nsIDOMXPathEvaluator.evaluate]" nsresult:
"0x80070057 (NS_ERROR_ILLEGAL_VALUE)" location: "JS frame ::
http://myblog.com/wp-content/plugins/IMM-Glossary/JavaScripts/prototype.js
:: anonymous :: line 1081" data: no]
Source: http://myblog.com/wp-content/plugins/IMM-Glossary/JavaScripts/prototype.js